The calculated distance (air line) between Mechelen-aan-de-Maas and Etterbeek is approximately 58 miles respectively 93 kilometers.
By car or train, the actual journey to Etterbeek is certainly longer, as only the direct route (as the crow flies) between Mechelen-aan-de-Maas and Etterbeek has been calculated here.
Air line (approximately)
93 kilometers
50 nautical miles